Test onStartSocketKeepalive

Test: this
Bug: 139268426
Change-Id: I26f68fdf9b687a2d87c971525b1cd2c48d4579bb
Merged-In: I4e251fa0203a1888badef9ed90495fe8b3340a1c
(cherry-picked aosp/1258137)
1 file changed
tree: f6229fa99a5921058a4ffce7f601bbdc33048791
  1. tests/